Mechanical Interlocking With Padlock; Local-Remote Switch (Option) - Siemens 8DJH Installation And Operating Instructions Manual

Medium-voltage switchgear
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Padlock position
Actuating opening
Possible switching operations Only EARTHING and DE-
Padlock
500-8067.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DJH • Revision 05
16.6

Mechanical interlocking with padlock

The locking device (option) of the switching gate can be padlocked in all three switch
positions.
The locking device can be padlocked so that no closing, no opening or no earthing is possible.
The padlock can also be fitted in such a way that none of the three switching operations can
be performed.
Down
Earthing switch
EARTHING possible
Padlock position
Shackle diameter
Minimum [mm]
Locking device
6
Pushbutton (option)
3
16.7

Local-remote switch (option)

The local-remote switch determines the location from which the three-position disconnectors
or three-position switch-disconnectors can be motor-operated. The local-remote switch
latches tight in the selected setting.
Local setting:
Local operation by motor
Remote setting:
Remote operation by
motor from the control
room or monitoring
station
Center
None
No switching operations
possible
Precondition:
Spring energy store not charged
Maximum [mm]
12
6
Up
Disconnector
Circuit-breaker
Switch-disconnector
Transformer switch
• Only CLOSING and
• Charging the spring
OPENING possible
• Only possible if the
circuit-breaker is
open
Operation
87/121

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